Drain strainer



FIG. 1 is a perspective view of a drain strainer shown in a position of use, showing my new design;

FIG. 2 is another perspective view of a drain strainer thereof;

FIG. 3 is a top plan view thereof, the bottom plan view being a mirror image thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a cross-sectional view taken from line 5-5 of FIG. 3 thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a left-side elevational view thereof; and,

FIG. 8 is a right-side elevational view thereof.

The broken lines showing a bathtub drain in FIGS. 1 and 2 depict environmental matter and form no part of the claimed design. 

CLAIM The ornamental design for a drain strainer, as shown and described. 